Face mask



FIG. 1 is a perspective view of a face mask showing our new design;

FIG. 2 is a frontal elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a side elevational view thereof.

The broken lines in the figures illustrate portion of the face mask that form no part of the claimed design. 

CLAIM What is claimed is an ornamental design for a face mask, as shown. 